#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
unsigned int My_strlen(const char* arr)
{
	assert(arr);
	unsigned int count = 0;
	while (*arr++ != '\0')
	{
		count++;
	}
	return count;
}
int main()
{
	char arr[] = "test";
	printf("%d", My_strlen(arr));
	return 0;
}